添加到书签栏，选择文本，点击它即可获取单词数。
<a href="javascript:(function(){var%20t;if%20(window.getSelection)%20t%20=%20window.getSelection();else%20if%20(document.selection)%20t%20=%20document.selection.createRange();if%20(t.text%20!=%20undefined)%20t%20=%20t.text;if(!t%20||%20t%20==%20""){%20a%20=%20document.getElementsByTagName("textarea");%20for(i=0;%20i<a.length;%20i++)%20{%20%20if(a[i].selectionStart%20!=%20undefined%20&&%20a[i].selectionStart%20!=%20a[i].selectionEnd)%20%20{%20%20%20%20t%20=%20a[i].value.substring(a[i].selectionStart,%20a[i].selectionEnd);%20%20%20%20break;%20%20}%20}}if(!t%20||%20t%20==%20"")alert("please%20select%20some%20text");else%20alert("word%20count:%20"%20+%20t.toString().match(/(\S+)/g).length);})()" class="button">Count Words</a>书签
统计单词 < 拖动到书签栏
好主意，但是单词数究竟在哪里显示？我在选择文本并点击书签后，在任何地方都看不到它。
我同样也看不到单词数。
这里工作正常。
参考网址
@mizwo
它是一个警告框。
javascript:(function(){var%20t;if%20(window.getSelection)%20t%20=%20window.getSelection();else%20if%20(document.selection)%20t%20=%20document.selection.createRange();if%20(t.text%20!=%20undefined)%20t%20=%20t.text;if(!t%20||%20t%20==%20″”){%20a%20=%20document.getElementsByTagName(“textarea”);%20for(i=0;%20i<a.length;%20i++)%20{%20%20if(a[i].selectionStart%20!=%20undefined%20&&%20a[i].selectionStart%20!=%20a[i].selectionEnd)%20%20{%20%20%20%20t%20=%20a[i].value.substring(a[i].selectionStart,%20a[i].selectionEnd);%20%20%20%20break;%20%20}%20}}if(!t%20||%20t%20==%20"")alert("please%20select%20some%20text");else%20alert("word%20count:%20"%20+%20t.toString().match(/(\S+)/g).length);})()
这个不起作用（至少对我来说是这样），但这个可以：http://marklets.com/Word+Count.aspx
你好，这个不错，但是我们如何更新书签，以便即使没有选择也能统计页面中的所有单词？
谢谢